Portable sewing machine



FIG. 1 is a top plan view of a portable sewing machine showing my new design;

FIG. 2 is a head end view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a standard end view;

FIG. 5 is a rear elevational view;

FIG. 6 is a perspective view of a removable jacket detached from the sewing machine;

FIG. 7 is a perspective view of a removable base portion detached from the sewing machine;

FIG. 8 is a perspective view of the sewing machine with the removable jacket and removable base portion detached therefrom;

FIG. 9 is a top plan view thereof;

FIG. 10 is a head end view;

FIG. 11 is a standard end view;

FIG. 12 is a front elevational view;

FIG. 13 is a rear elevational view;

FIG. 14 is a bottom plan view;

FIG. 15 is a top plan view of the removable base portion detached from the sewing machine;

FIG. 16 is a view of the attaching end thereof;

FIG. 17 is a rear elevational view;

FIG. 18 is an outer end view;

FIG. 19 is a front elevational view;

FIG. 20 is a bottom plan view;

FIG. 21 is a bottom perspective view; 

The ornamental design for a portable sewing machine, substantially as shown and described. 